Research Products Corporation is the maker of fine brands like Aprilaire®, EZ Kleen®, Kleen-Gard®, Trim-to-Size®, Paint Arrestors®, CoolPad®. For over 60 years we've been committed to producing quality products in every line of products we offer. In addition, we recently purchased DRI-STEEM® Humidifier Company, Eden Prairie, Minn., the industry's leading commercial and industrial humidifier manufacturer.

Our commitment includes ongoing programs of testing, engineering, research, product refinement, and practical experience. As a leader in the HVAC industry, we are able to work closely with industry associations like ARI and ASHRAE. These affiliations allow us to remain on top of industry standards and testing procedures. As a result, we're proud to give you our assurances of superior quality and selection.